お里が知れる

おさとがしれるosatogashireru

expression · ichidan verb

  1. to reveal one's (poor) upbringing (through poor manners, etc.)
  2. to betray one's origin
  3. to give oneself away

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences